Big Boulder Trail

The 3.5 miles roll continuously through 5 distinct climbs, adding up to 1,735 ft of gain without one dominant ascent. The main climb starts around mile 1.7 and runs 1.0 miles, gaining 813 ft at an average 15%. The steepest sustained pitch averages 16% and begins just past mile 0.79. You finish 1,417 ft above the start, so the return trip runs mostly downhill.

At 3.6 miles it is longer than 88% of the 99 trails mapped in Nevada County.

It climbs more per mile than 96% of trails in Nevada County.